Thread (9 messages) 9 messages, 3 authors, 2016-07-18
STALE3633d REVIEWED: 1 (1M)

[PATCH v3 6/7] spi: s3c64xx: restore removed comments

From: Andi Shyti <hidden>
Date: 2016-07-12 10:02:15
Also in: linux-clk, linux-devicetree, linux-samsung-soc, linux-spi
Subsystem: arm/samsung s3c, s5p and exynos arm architectures, samsung spi drivers, spi subsystem, the rest · Maintainers: Krzysztof Kozlowski, Peter Griffin, Andi Shyti, Mark Brown, Linus Torvalds

Patch a9e93e8 has erroneously removed some comments which are
important to understand why the bus frequency is multiplied by
two during the spi transfer.

Reword the previous comment to a more appropriate message.

Suggested-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Andi Shyti <redacted>
Reviewed-by: Michael Turquette <mturquette@baylibre.com>
---
 drivers/spi/spi-s3c64xx.c | 1 +
 1 file changed, 1 insertion(+)
diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c
index 6da663f..5bedafc 100644
--- a/drivers/spi/spi-s3c64xx.c
+++ b/drivers/spi/spi-s3c64xx.c
@@ -639,6 +639,7 @@ static void s3c64xx_spi_config(struct s3c64xx_spi_driver_data *sdd)
 	writel(val, regs + S3C64XX_SPI_MODE_CFG);
 
 	if (sdd->port_conf->clk_from_cmu) {
+		/* The src_clk clock is divided internally by 2 */
 		clk_set_rate(sdd->src_clk, sdd->cur_speed * 2);
 	} else {
 		/* Configure Clock */
-- 
2.8.1
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